.cs-auth { display: flex; justify-content: center; padding: 48px 20px 64px; }
.cs-auth__box { width: 100%; max-width: 26rem; }
.cs-auth__card { background: var(--cs-layout-background, #fff); border: 1px solid var(--cs-color-border, #e5e5e5);
  border-radius: 12px; padding: 28px; box-shadow: 0 1px 3px rgba(0,0,0,.06); }
.cs-auth__title { margin: 0; font-size: 1.25rem; font-weight: 600; }
.cs-auth__sub { margin: 4px 0 0; font-size: .9rem; color: var(--cs-color-secondary, #666); }
.cs-auth__form { margin-top: 24px; }
.cs-auth__field { display: block; margin-bottom: 16px; }
.cs-auth__label { display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 6px; font-size: .75rem; font-weight: 600; color: var(--cs-color-secondary, #666); }
.cs-auth__hint { font-weight: 400; color: var(--cs-color-secondary, #999); }
.cs-auth__inputwrap { position: relative; }
.cs-auth__input { width: 100%; box-sizing: border-box; border: 1px solid var(--cs-color-border, #ddd);
  border-radius: 8px; background: var(--cs-layout-background, #fff); color: inherit;
  padding: 12px; font-size: 1rem; outline: none; }
.cs-auth__input:focus { border-color: var(--cs-color-accent, #2563eb); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.cs-auth__input--marked { padding-right: 40px; }
.cs-auth__mark { pointer-events: none; position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  font-weight: 700; font-size: 1rem; }
.cs-auth__mark--ok { color: #16a34a; }
.cs-auth__mark--bad { color: #dc2626; }
.cs-auth__otp { width: 100%; box-sizing: border-box; border: 1px solid var(--cs-color-border, #ddd);
  border-radius: 8px; padding: 12px; text-align: center; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1.5rem; letter-spacing: .5em; outline: none; background: var(--cs-site-background, #fafafa); color: inherit; }
.cs-auth__otp:focus { border-color: var(--cs-color-accent, #2563eb); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
.cs-auth__error { display: none; margin: 12px 0 0; border-radius: 8px; padding: 8px 12px;
  font-size: .875rem; color: #dc2626; background: rgba(220,38,38,.08); }
.cs-auth__notice { display: none; margin: 12px 0 0; border-radius: 8px; padding: 8px 12px;
  font-size: .875rem; color: #16a34a; background: rgba(22,163,74,.08); }
.cs-auth__submit { width: 100%; margin-top: 16px; border: 0; border-radius: 8px; cursor: pointer;
  background: var(--cs-color-accent, #2563eb); color: #fff; padding: 12px 16px; font-size: 1rem; font-weight: 500; }
.cs-auth__submit:disabled { opacity: .6; cursor: not-allowed; }
.cs-auth__links { margin-top: 20px; font-size: .875rem; text-align: center; color: var(--cs-color-secondary, #666); }
.cs-auth__links a, .cs-auth__linkbtn { color: var(--cs-color-accent, #2563eb); text-decoration: none;
  background: none; border: 0; padding: 0; font: inherit; cursor: pointer; }
.cs-auth__links a:hover, .cs-auth__linkbtn:hover { text-decoration: underline; }
.cs-auth__row { margin-top: 16px; display: flex; justify-content: space-between; align-items: center; font-size: .875rem; }
.cs-auth__mutebtn { background: none; border: 0; padding: 0; font: inherit; cursor: pointer;
  color: var(--cs-color-secondary, #999); }
.cs-auth__mutebtn:hover { color: var(--cs-color-secondary, #555); }
.cs-auth__linkbtn:disabled, .cs-auth__mutebtn:disabled { cursor: not-allowed; color: var(--cs-color-secondary, #aaa); text-decoration: none; }
[data-stage-panel] { display: none; }
[data-stage-panel].is-active { display: block; }